stormkitty | 0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4

Analysis

max time kernel
194s
max time network
289s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
26-09-2024 22:31

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General

Target

0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe
Size

963KB
MD5

1ef39c8bc5799aa381fe093a1f2d532a
SHA1

57eabb02a7c43c9682988227dd470734cc75edb2
SHA256

0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4
SHA512

13a9c267c4ceb2bd176f1339faa035ffeb08936deeeb4e38252ea43cfe487ea1c1876e4cc2a965548e767af02805a1da62885e6538da056be0c6fae33b637682
SSDEEP

24576:6MGVJ/Oap+Bh45LEwaV1QghDHm5GQTSmGg:6NJ/jpi5waVhjm5GQ2m7

Score

10^/10

stormkitty xworm discovery execution persistence rat stealer trojan

Malware Config

Extracted

Family

xworm

Version

5.0

188.190.10.161:4444

Mutex

TSXTkO0pNBdN2KNw

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3696-1093-0x0000000000360000-0x000000000038E000-memory.dmp	family_xworm

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3696-1583-0x0000000007320000-0x0000000007440000-memory.dmp	family_stormkitty

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe

description pid process target process

PID 500 created 3516 500 0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe Explorer.EXE
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

1124 powershell.exe
5716 powershell.exe

description	pid	process	target process
PID 500 created 3516	500	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe	Explorer.EXE

pid	process
1124	powershell.exe
5716	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ylrdnrwcx = "C:\\Users\\Admin\\AppData\\Roaming\\Ylrdnrwcx.exe"	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe

description	pid	process	target process
PID 500 set thread context of 3696	500	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe	InstallUtil.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4196 3696 WerFault.exe InstallUtil.exe

pid	pid_target	process	target process
4196	3696	WerFault.exe	InstallUtil.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exeInstallUtil.exepowershell.exepowershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

InstallUtil.exe

pid process

3696 InstallUtil.exe

pid	process
3696	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exepowershell.exepowershell.exeInstallUtil.exe

pid	process
500	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe
1124	powershell.exe
1124	powershell.exe
1124	powershell.exe
5716	powershell.exe
5716	powershell.exe
5716	powershell.exe
3696	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exeInstallUtil.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	500	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe
Token: SeDebugPrivilege	500	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe
Token: SeDebugPrivilege	3696	InstallUtil.exe
Token: SeDebugPrivilege	1124	powershell.exe
Token: SeDebugPrivilege	5716	powershell.exe
Token: SeDebugPrivilege	3696	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

3696 InstallUtil.exe

pid	process
3696	InstallUtil.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exeInstallUtil.exe

description	pid	process	target process
PID 500 wrote to memory of 3696	500	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe	InstallUtil.exe
PID 500 wrote to memory of 3696	500	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe	InstallUtil.exe
PID 500 wrote to memory of 3696	500	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe	InstallUtil.exe
PID 500 wrote to memory of 3696	500	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe	InstallUtil.exe
PID 500 wrote to memory of 3696	500	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe	InstallUtil.exe
PID 500 wrote to memory of 3696	500	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe	InstallUtil.exe
PID 500 wrote to memory of 3696	500	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe	InstallUtil.exe
PID 500 wrote to memory of 3696	500	0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe	InstallUtil.exe
PID 3696 wrote to memory of 1124	3696	InstallUtil.exe	powershell.exe
PID 3696 wrote to memory of 1124	3696	InstallUtil.exe	powershell.exe
PID 3696 wrote to memory of 1124	3696	InstallUtil.exe	powershell.exe
PID 3696 wrote to memory of 5716	3696	InstallUtil.exe	powershell.exe
PID 3696 wrote to memory of 5716	3696	InstallUtil.exe	powershell.exe
PID 3696 wrote to memory of 5716	3696	InstallUtil.exe	powershell.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3516
- C:\Users\Admin\AppData\Local\Temp\0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe
  "C:\Users\Admin\AppData\Local\Temp\0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:500
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3696
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1124
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'InstallUtil.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 2156
    3⤵
    - Program crash
    PID:4196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Browser Information Discovery

T1217

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
1c19c16e21c97ed42d5beabc93391fc5

SHA1
8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

SHA256
1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

SHA512
7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
e96ec96a42e17a6d2f4f154cd1d8ae70

SHA1
c8c1cf390db97525f14b547dc3ff110de4b505d0

SHA256
18c59ff3822b393056a746bff146a725b7cea60a3460bbe44889b22823d73d83

SHA512
78eab41cd36568715420d021204b2c857f9feba72a68da52ccc2811f1f4146958318d8a64ade4fae5cd0fd11512f91297c8936de72535fa698bb18ca9dfa700c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_usmwrdnr.q4q.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/500-1079-0x0000000005550000-0x00000000055B8000-memory.dmp

Filesize
416KB

Download
memory/500-3-0x0000000073AB0000-0x000000007419E000-memory.dmp

Filesize
6.9MB

Download
memory/500-15-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-61-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-67-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-65-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-63-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-59-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-57-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-55-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-53-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-52-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-47-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-45-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-43-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-41-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-39-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-37-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-33-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-31-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-29-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-27-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-23-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-21-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-19-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-17-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-13-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-9-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-7-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-5-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-50-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-35-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-25-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-4-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-1078-0x0000000073AB0000-0x000000007419E000-memory.dmp

Filesize
6.9MB

Download
memory/500-0-0x0000000073ABE000-0x0000000073ABF000-memory.dmp

Filesize
4KB

Download
memory/500-1084-0x0000000073AB0000-0x000000007419E000-memory.dmp

Filesize
6.9MB

Download
memory/500-1080-0x00000000055C0000-0x000000000560C000-memory.dmp

Filesize
304KB

Download
memory/500-1-0x0000000000180000-0x0000000000278000-memory.dmp

Filesize
992KB

Download
memory/500-1086-0x0000000073AB0000-0x000000007419E000-memory.dmp

Filesize
6.9MB

Download
memory/500-1087-0x0000000005EA0000-0x000000000639E000-memory.dmp

Filesize
5.0MB

Download
memory/500-1088-0x00000000056A0000-0x00000000056F4000-memory.dmp

Filesize
336KB

Download
memory/500-2-0x0000000004D90000-0x0000000004E7E000-memory.dmp

Filesize
952KB

Download
memory/500-1091-0x0000000073AB0000-0x000000007419E000-memory.dmp

Filesize
6.9MB

Download
memory/500-11-0x0000000004D90000-0x0000000004E78000-memory.dmp

Filesize
928KB

Download
memory/500-1085-0x0000000073AB0000-0x000000007419E000-memory.dmp

Filesize
6.9MB

Download
memory/1124-1101-0x0000000007C00000-0x0000000007C66000-memory.dmp

Filesize
408KB

Download
memory/1124-1104-0x0000000007CF0000-0x0000000007D3B000-memory.dmp

Filesize
300KB

Download
memory/1124-1099-0x0000000007280000-0x00000000072A2000-memory.dmp

Filesize
136KB

Download
memory/1124-1130-0x0000000009760000-0x00000000097F4000-memory.dmp

Filesize
592KB

Download
memory/1124-1100-0x00000000079B0000-0x0000000007A16000-memory.dmp

Filesize
408KB

Download
memory/1124-1102-0x0000000007D70000-0x00000000080C0000-memory.dmp

Filesize
3.3MB

Download
memory/1124-1103-0x0000000007A40000-0x0000000007A5C000-memory.dmp

Filesize
112KB

Download
memory/1124-1328-0x00000000096A0000-0x00000000096A8000-memory.dmp

Filesize
32KB

Download
memory/1124-1124-0x00000000091D0000-0x00000000091EE000-memory.dmp

Filesize
120KB

Download
memory/1124-1098-0x0000000007380000-0x00000000079A8000-memory.dmp

Filesize
6.2MB

Download
memory/1124-1323-0x00000000096C0000-0x00000000096DA000-memory.dmp

Filesize
104KB

Download
memory/1124-1123-0x0000000070A40000-0x0000000070A8B000-memory.dmp

Filesize
300KB

Download
memory/1124-1097-0x0000000004830000-0x0000000004866000-memory.dmp

Filesize
216KB

Download
memory/1124-1129-0x0000000009330000-0x00000000093D5000-memory.dmp

Filesize
660KB

Download
memory/1124-1105-0x0000000008300000-0x0000000008376000-memory.dmp

Filesize
472KB

Download
memory/1124-1122-0x00000000091F0000-0x0000000009223000-memory.dmp

Filesize
204KB

Download
memory/3696-1584-0x0000000007440000-0x0000000007790000-memory.dmp

Filesize
3.3MB

Download
memory/3696-1092-0x0000000073AB0000-0x000000007419E000-memory.dmp

Filesize
6.9MB

Download
memory/3696-1609-0x0000000073AB0000-0x000000007419E000-memory.dmp

Filesize
6.9MB

Download
memory/3696-1581-0x0000000073AB0000-0x000000007419E000-memory.dmp

Filesize
6.9MB

Download
memory/3696-1580-0x0000000005700000-0x0000000005792000-memory.dmp

Filesize
584KB

Download
memory/3696-1582-0x0000000005FE0000-0x0000000005FEA000-memory.dmp

Filesize
40KB

Download
memory/3696-1583-0x0000000007320000-0x0000000007440000-memory.dmp

Filesize
1.1MB

Download
memory/3696-1093-0x0000000000360000-0x000000000038E000-memory.dmp

Filesize
184KB

Download
memory/3696-1585-0x0000000007850000-0x000000000789B000-memory.dmp

Filesize
300KB

Download
memory/3696-1094-0x0000000004B30000-0x0000000004BCC000-memory.dmp

Filesize
624KB

Download
memory/5716-1348-0x00000000084C0000-0x000000000850B000-memory.dmp

Filesize
300KB

Download
memory/5716-1365-0x000000006F960000-0x000000006F9AB000-memory.dmp

Filesize
300KB

Download